On 10/14/2011 11:38 AM, H. Peter Anvin wrote:
> On 10/14/2011 11:35 AM, Jason Baron wrote:
>> A nice featuer of jump labels, is that it allows the various branches
>> (currently we only support 2), to be written in c code (as opposed to asm),
>> which means you can write your code as you normally would and access any
>> parameters as you normally would - hopefully, making the code pretty
>> readable as well.
>>
>> I hope this better clarifies the use-cases for the various mechanisms.
>>
> There is an important subcase which might be handy which would be to
> allow direct patching of call instructions instead of using indirect calls.
Right, that's how the pvops patching is primarily used.
J
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